Granite County, MT: Current UV Index and Hourly Forecast

As of 2:09 AM MDT on June 28, 2025, all 4 cities in Granite County, MT in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Granite County, MT is expected to be 7.8 in Maxville between 12:00 PM - 1:00 PM MDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Granite County, MT as of 2:09 AM MDT, June 28, 2025

Current UV Index in Cities in Granite County, MT

2:09 AM MDT, June 28, 2025